Description
The Winchester Deer Season XP in 300 Winchester Short Magnum is built specifically for hunters chasing whitetail deer and similar big game, pairing a high-velocity magnum cartridge with Winchester’s signature Extreme Point polymer tip bullet. Loaded to a 3260 fps muzzle velocity and delivering 3539 ft lbs of muzzle energy, the 150 grain projectile is engineered with an oversized impact diameter that promotes rapid expansion and massive wound channels on impact, taking the guesswork out of ethical, one-shot harvests in woods and brush.
Manufactured by Winchester in the USA under tight quality control, each round features a reloadable brass case, premium powder, and a consistent primer for dependable ignition in cold weather and across long shots. The streamlined polymer tip of the Extreme Point bullet is optimized to initiate expansion at a wide diameter the moment it contacts game, transferring energy quickly while still holding together for deep penetration on tough, angled shots typical of deer hunting.
Whether you are patterning a new 300 WSM bolt action or filling the magazine for an early season trip, this Deer Season XP load offers the accuracy, terminal performance, and reliability serious hunters demand in a factory hunting round.
Your purchase options:
- Box – 20 Rounds: Twenty 300 WSM cartridges in the factory box, ideal for a single hunt or a quick range session.
- Case – 200 Rounds (10 Boxes): Ten boxes of twenty for a full season’s supply, convenient stocking, or splitting with hunting partners.








